Welcome to the "CryENGINE 3 Developers" group . The CryENGINE 3 Developers group is all about creating levels, mod, Total modifications, addon's, machinima videos, Indie games, using Sandbox3 for Crysis or using the free standalone CryENGINE 3 SDK tools.
Its based off an old painting in 1883 painting by Arnold Böcklin called Island of the Dead.
Source: Worldofleveldesign.net